body {
	display: flex;
	flex-direction: column;

	// 主体
	.main {
		width: 100%;
		flex-grow: 1;
		overflow-y: auto;
	}

	// 底部导航tabbar
	.tabbar {
		display: flex;
		justify-content: space-around;
		width: 100%;
		height: 60px;
		align-items: center;
		box-shadow: 5px 5px 5px 5px #999;
		background-color: #fff;

		.iconfont {
			display: block;
			text-align: center;
			font-size: 30px;
		}
		a {
			color: #777;
			&.active {
				color: #4294ff;
			}
		}
	}
}
